std: Rename {Eq,Ord} to Partial{Eq,Ord}

This is part of the ongoing renaming of the equality traits. See #12517 for more
details. All code using Eq/Ord will temporarily need to move to Partial{Eq,Ord}
or the Total{Eq,Ord} traits. The Total traits will soon be renamed to {Eq,Ord}.

cc #12517

[breaking-change]

src/libstd/io/process.rs

@@ -317,7 +317,7 @@ impl fmt::Show for Command {
 }
 
 /// The output of a finished process.
-#[deriving(Eq, TotalEq, Clone)]
+#[deriving(PartialEq, TotalEq, Clone)]
 pub struct ProcessOutput {
     /// The status (exit code) of the process.
     pub status: ProcessExit,
@@ -348,7 +348,7 @@ pub enum StdioContainer {
 
 /// Describes the result of a process after it has terminated.
 /// Note that Windows have no signals, so the result is usually ExitStatus.
-#[deriving(Eq, TotalEq, Clone)]
+#[deriving(PartialEq, TotalEq, Clone)]
 pub enum ProcessExit {
     /// Normal termination with an exit status.
     ExitStatus(int),